Lyons is a town in Walworth County, Wisconsin, United States.

The unincorporated communities of Lyons and Springfield are located within the town.

It was originally created as Hudson by the legislature of the Wisconsin Territory on January 23, 1844.

There were 1,307 housing units at an average density of 37.9 per square mile (14.6/km2).

19.0% of all households were made up of individuals, and 5.9% had someone living alone who was 65 years of age or older.